this codes for reylaigh fading in CDMA system, this is useful for simulate reyleigh fading in random things-this is codes for reylaigh fading in CDMA system, this is useful for simulate reyleigh fading in random things

Rician衰落通道用于对视线（LOS）进行建模，其中因子K被定义为LOS的平均功率与非视线（NLOS）的平均功率的比值。 修改b）中的代码，分别实现K = -40 dB和15 dB的Rician衰落。(A Rician fading channel is used to model the channel with line of sight (LOS), where a factor K is defined as the ratio of the mean power of the LOS

瑞利信道下的QPSK误码率仿真，利用蒙特卡洛模型跟理论结果曲线对比(Rayleigh channel QPSK bit error rate simulation, the use of Monte Carlo model with the theoretical results curve comparison)